These charts reveal a Canada-U.S. bond forged in steel and aluminum

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It's a move that could reshape North American trade. Earlier this month, U.S. President Donald Trump announced tariffs on all steel and aluminum products coming into the U.S. from anywhere, including Canada. That means each time any Canadian steel or aluminum crosses the 49th parallel, the exporter will have to shell out 25 per cent to the U.S. government — on top of another 25 per cent if Trump makes good on his threat to tariff all goods coming from Canada. Here are nine charts that put the metal trade between the U.S. and Canada in perspective. Like a lot...